The meaning of the Acronym XSM is...

XSM is

• eXtreme Super Motard

More Meanings For XSM:

• LEXIS- NEXIS Tracker
• XML Stream Machine
• eXtreme Super Motard
• St. Mary's County Airport, Lexington Park, Maryland USA

XSM is also in:

• Airport Codes
• File Extensions
• Software
• Transportation